code: def test_default_creation(self):
      self.assertEqual(self.o.get_pitchscale(), 1)
      self.assertEqual(self.o.get_transpose(), 0)
  
file_path: aubio/python/tests/test_pitchshift.py
imports: from numpy.testing import TestCase
  from _tools import parametrize, skipTest
  import numpy
  import aubio
label_desc: Use image node_id 2 for calling the aubio_pitchshift obj's underlying member method code with example usage: obj.test_default_creation() without return types